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PDF M74HC574 Data sheet ( Hoja de datos )
| Número de pieza | M74HC574 | |
| Descripción | OCTAL D-TYPE FLIP FLOP | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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M74HC574
OCTAL D-TYPE FLIP FLOP
WITH 3 STATE OUTPUT NON INVERTING
s HIGH SPEED:
fMAX = 90MHz (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 6mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 574
DESCRIPTION
The M74HC574 is an high speed CMOS OCTAL
D-TYPE FLIP FLOP WITH 3-STATE OUTPUTS
INVERTING fabricated with sub-micron silicon
gate C2MOS technology.
This 8 bit D-TYPE FLIP FLOP is controlled by a
clock input (CK) and an output enable input (OE).
On the positive transition of the clock, the Q
outputs will be set to the logic state that were
setup at the D inputs.
While the OE input is at low level, the eight outputs
will be in a normal logic state (high or low logic
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSOP
M74HC574B1R
M74HC574M1R
T&R
M74HC574RM13TR
M74HC574TTR
level) and while OE is in high level the outputs will
be in a high impedance state.
The output control does not affect the internal
operation of flip-flops; that is, the old data can be
retained or the new data can be entered even
while the outputs are off.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/11
1 page  
M74HC574
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
tTLH tTHL Output Transition
Time
tPLH tPHL Propagation Delay
Time
(CK - Q)
tPZL tPZH High Impedance
Output Enable
Time
tPLZ tPHZ High Impedance
Output Disable
Time
fMAX Maximum Clock
Frequency
tW(L)
tW(H)
ts
Minimum Pulse
Width
(CLOCK)
Minimum Set-up
Time
th Minimum Hold
Time
VCC CL
(V) (pF)
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
RL = 1 KΩ
RL = 1 KΩ
RL = 1 KΩ
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
6.2
31
37
Typ. Max.
25 60
7 12
6 10
70 150
20 30
15 26
88 190
25 38
19 32
48 125
15 25
12 21
60 165
20 33
16 28
34 125
17 25
15 21
18
75
90
15 75
6 15
6 13
25 75
6 15
4 13
0
0
0
Min.
5
25
30
Max.
75
15
13
190
38
32
240
48
41
155
31
26
205
41
35
155
31
26
95
19
16
95
19
16
0
0
0
Min.
4.2
21
25
Max.
90
18
15
225
45
38
285
57
48
190
38
32
250
50
43
190
38
32
ns
ns
ns
ns
ns
ns
MHz
110
22 ns
19
110
22 ns
19
0
0 ns
0
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN
COUT
CPD
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
5 10 10 10 pF
10 pF
54 pF
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC
5/11
5 Page 
M74HC574
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from
its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of STMicroelectronics.
© The ST logo is a registered trademark of STMicroelectronics
© 2000 STMicroelectronics - Printed in Italy - All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
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© http://www.st.com
11/11
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| PDF Descargar | [ Datasheet M74HC574.PDF ] | |
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